Page 18 - July-December 2019 [Compatibility Mode]
P. 18

ENVIS newsletter



            PROGRESS OF GOAL 11 IN 2019


                                                      e
                                                     r
                   Substantial progress has been made in reducing the proportion of the global urban population living in
                                                           ng
                                                          i
                                                       duc
                                                           l
            slums, though more than 1 billion people continue to live in such situations. Urgent action is needed to reverse
                                                             e
                                                            v
                                                            i
            the current situation, which sees the vast majority of urban residents breathing poor-quality air and having
                                                            t
                                                         W
                                                             h
                                                           i
            limited access to transport and open public spaces. With the areas occupied by cities growing faster than their
                                                                l
                                                            na
                                                                 i
                                                            i
                                                               i
                                                              b
                                                           a
            populations, there are profound repercussions for sustainability.
                                                        us
                                                                  y
                                                       s
                                                          t
                                                                 t
            Between 1990 and 2016, the proportion of the global urban population living in slums fell from 46 to 23 per
            cent. This progress was largely offset by internal populationpopulation growth and rural-urban migration. In 2016, just
                                                              nt
            over 1 billion people lived in slums or informal settlements, with over half (589 million) living in East, South-
                                                      s
                                                       e
                                                             e
                                                         t
                                                                ,
                                                         l
                                                          e
                                                           m
                                                        t
                                                               s
            East, Central and South Asia.
                                                             e
                                                       onv
             The proportion of urban residents who have convenient access to public transport (defined as living within
                                                          e
                                                              nt
                                                           ni
                                                      c
                                                            00
                                                           0
            500 m walking distance of a bus stop and within 1,000 m of a railway and/or ferry terminal) remains low,
            particularly in developing countries. Based on data from 227 cities from 78 countries in 2018, on average, 53
                                                          f
                                                            m
                                                           o
                                                          r
                                                          e
                                                            t
            per cent of urban residents in all regions had convenient access to public transport, from a low of 18 per cent in
                                                     nv
                                                       e
                                                           n
                                                   c
                                                    o
                                                        ni
                                                           t
                                                         us
                                                           r
                                                       A
                                                              a
                                                             l
                                                              i
            sub-Saharan Africa to a high of 75 per cent in Australia and New Zealand. In some regions that have low
                                                            a
                                                           a
                                                             e
                                                            r
            access to public transport, informal transport modes are highly prevalent and in many cases provide reliable
            transport for the majority of urban populations.
            Globally, urban areas are expanding at a faster rate than their populations. Between 2000 and 2014, areas
                                                                t
                                                                 on
                                                                 i
            occupied by cities grew 1.28 times faster than their populations. Closely related to this trend is that the urban
                                                              l
                                                          p
                                                                   s
                                                           opu
                                                               a
                                                        o
                                                           und
                                                         f
                                                          o
            densities of cities have been declining, creating profound repercussions for environmental sustainability at the
                                                      pr
                                                            of
            local, regional and global scale. Better management of urban growth will be crucial in order to guarantee
            s sustainable urbanization. .
                          ni
                           z
                      ur
                        ba
                              i
                               on
                            a
                             t
               a
                i
            us
              t
                 na
                   bl
                    e
                                                           s
                                                         w
                                                            t
                                                             e
                                                          a
             Globally, 2 billion people do not have access to waste collection services and 3 billion people lack access to
                                                            ba
                                                          u
                                                              n
                                                           r
            controlled waste disposal facilities. With increasing urban populations and the existence of consumer-oriented
                                                           i
                                                        a
                                                            a
                                                       r
                                                       b
                                                           z
                                                      u
                                                              i
                                                         n
                                                             t
                                                              on,
            economies amid rising income levels and rapid urbanization, it is estimated that the total waste generated in the
            world will double from nearly 2 billion tons in 2016 to about 4 billion tons by 2050. While from 2010 to 2018
                                                            r
            the proportion of solid waste collected was about 81 per cent globally, in sub-Saharan Africa it was only 52 per
                                                           e
                                                          p
            cent.
             In 2016, 9 in 10 people living in urban areas stillstill breathed air that did not meet the World Health
                                                         c
                                                        t
                                                        i
                                                            a
                                                             e
            Organization’s air quality guidelines value for particulate matter – that particulate matter 2.5 microns or less in
                                                             t
                                                          u
                                                     pa
                                                           l
                                                       r
                                                     m
                                                         r
                                                               s
            size (PM2.5) not exceed an annual mean of 10 micrograms per m3 or a daily mean of 25 micrograms per m3 –
                                                             m
                                                       i
                                                        c
                                                         og
                                                            a
                                                           r
            and more than half of the world population experienced an increase in PM2.5 from 2010 to 2016.
             Most cities have struggled to ensure that their populationspopulations have convenient access to open public spaces
            (defined as spaces within 400 m walking distance of their residence). Based on data from 220 cities in 77
            countries in 2018, only 21 per cent of the population had convenient access to open public spaces. However,
                                                              d
                                                            ha
                                                                  a
                                                                qu
                                                              de
            these results do not necessarily mean that there is an inadequate share of land dedicated to open public spaces
                                                                   t
                                                                   e
                                                           i
                                                            na
                                                           ur
                                                            ba
                                                              n
            in these cities, but rather that their distribution across urban areas is uneven.
                                                                l
                                                              i
                                                             f
            National urban policies are policy strategies that specifically respond to the urbanization challenges of today.
                                                         p
                                                              c
                                                           e
                                                            c
                                                               a
                                                         s
                                                            i
                                                                 l
                                                                  y
            As of the beginning of 2019, 150 countries had developed such policies, and almost half are already
                                                           de
                                                               l
                                                                  e
                                                                op
                                                             v
                                                              e
                                                                   d
            implementing them.
                                                                                or
                                                                     or
                                                                     f
                                                                    s
                                                                       m
                                                                            our
                                                                         ng
                                                                         i
                                                                              w
                                                                 r
                                                                t
                                                                                  l
                                                                                   d
                                                                   n
                                                                  a
                                          l
                                          opm
                                              e
                                         e
                                    e
                                     de
                                        v
                                               nt
                                                       /
                                                           t
                                                        pos
                                                      g
                                                 .un.
                                                           2015/
                                                    or
                                    l
                           /
                          :
                            s
                           /
                      ht
            Reference: https://sustainabledevelopment.un.org/post2015/transformingourworld
                        ps
                       t
                                i
                               a
                                   b
                                 na
                             us
                               t
                                                            18
                                                            1
                                                             8
   13   14   15   16   17   18   19   20